Ghosh, 1993, Nucleic Acids Research, 21, 3117, 10.1093/nar/21.13.3117
1998, Nucleic Acids Research, 26, 360, 10.1093/nar/26.1.360
1998, Nucleic Acids Research, 26, 362, 10.1093/nar/26.1.362
1998, Nucleic Acids Research, 26, 358, 10.1093/nar/26.1.358
Prestridge, 1991, Bioinformatics, 7, 203, 10.1093/bioinformatics/7.2.203